SEOlizer
SEOlizer web crawler for SEO analysis
About this crawler
SEOlizer is a web crawler identified by the regular-expression pattern SEOlizer in the User-Agent request header. It is categorised as seo. Use the regex above to detect, log, allow, or block SEOlizer traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.33%
Technical details
- Name
- SEOlizer
- Pattern
SEOlizer- Tags
- seo
- Reference
- https://www.seolizer.de/bot.html
- Added
- 2023/09/08
- Instances
- 1 known sample(s)
Sample User-Agent strings
SEOlizer/1.1 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13 (+https://www.seolizer.de/bot.html)
Block this crawler
robots.txt — disallow SEOlizer:
User-agent: SEOlizer
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} SEOlizer [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "SEOlizer") {
return 403;
}
← back to all crawlers